Quectel UG Series

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 183 / 247
12.2. AT+CMUT Mute Control
AT+CMUT is used to enable and disable the uplink voice muting during a voice call.
Parameter
This parameter will not be saved.
12.3. AT+CALM Mute the Ring Tone
AT+CALM is used to mute the ring tone. There is no ring tone when a call is coming.
AT+CMUT Mute Control
Test Command
AT+CMUT=?
Response
+CMUT: (list of supported<n>s)
OK
Read Command
AT+CMUT?
Response
+CMUT: <n>
OK
Write Command
AT+CMUT=<n>
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<n> 0 Mute off
1 Mute on
AT+CALM Mute the Ring Tone
Test Command
AT+CALM=?
Response
+CALM: (list of supported <n>s)
NOTE
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